[U1] Grammar : Conjunctions

I will come next week, provided that Sally comes too.
> I will come next week. I will not come unless Sally comes too.

provided/provided that やべー。知らなかったー。B2の文法。。。
provided (that)… used to say what must happen or be done to make it possible for something else to happen

Provided that you have the money in your account, you can withdraw up to £300 a day.
We'll buy everything you produce, provided of course the price is right.

as yet phrase
You use as yet with negative statements to describe a situation that has existed up until the present time.
They're looking for a place to live, but as yet they haven't found it.

nor
Telling people to recycle everything doesn't work, nor does making laws.

as
Planning cities carefully has a positive effect on the future, as does saving energy.

nor does とか　as does とか。
これらはUse of Englishに出ますねー。全部覚えないと危ない。